Most boats (recreational "cruisers" at least, which is what I am most familiar with) are using LiFePO4 chemistries which are much less likely to start fires. Re

Most boats (recreational "cruisers" at least, which is what I am most familiar with) are using LiFePO4 chemistries which are much less likely to start fires. ReLiOn, Victron, BattleBorn, and MasterVolt for example as some of the leading vendors.